AMD SB750 Manuel de l'utilisateur - Page 17

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AMD SB750 Manuel de l'utilisateur

3-3 Jumper Setting

(1) Keyboard/USB function Enabled/Disabled: JP1
(1) CMOS RAM Clear (3-pin): JBAT
A battery must be used to retain the motherboard configuration in CMOS RAM
short 1-2 pins of JBAT to store the CMOS data.
To clear the CMOS, follow the procedure below:
1.
Turn off the system and unplug the AC power
2.
Remove ATX power cable from ATX power connector
3.
Locate JBAT and short pins 2-3 for a few seconds
4.
Return JBAT to its normal setting by shorting pins 1-2
5.
Connect ATX power cable back to ATX power connector
Note: When should clear CMOS
1. Troubleshooting
2. Forget password
3. After over clocking system boot fail
JP1
1-2 Closed K/B,USB Power ON Disable (Default)
JBAT
1-2 Closed Normal
CMOS RAM Clear Setting
14 14
2-3 Closed K/B,USB Power ON Enabled
Keyboard & USB Power On Setting
JBAT
2-3 Closed Clear CMOS
JP1